flink on standalone 数据同步 class not found

[whiteS18]

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Description

已经将chunjun的connector目录所用jar包复制到flink-lib目录下，为什么这里还会出现classnotfound

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[vainhope]

hadoop-common的包chunjun是provide了 需要手动放到lib下

[whiteS18]

@vainhope 请问是在chunjun-dist\connector\hdfs目录下的chunjun-connector-hdfs.jar这个包吗？

[whiteS18]

@vainhope 你好，我把chunjun-connector-hdfs.jar这个包放进去，重启之后再次执行，依旧报错，运行日志如下：

2024-04-10 16:19:28
org.apache.flink.runtime.JobException: Recovery is suppressed by NoRestartBackoffTimeStrategy
	at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:118)
	at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:80)
	at org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:233)
	at org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:224)
	at org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:215)
	at org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:666)
	at org.apache.flink.runtime.scheduler.SchedulerNG.updateTaskExecutionState(SchedulerNG.java:89)
	at org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:446)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:305)
	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:212)
	at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:77)
	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:158)
	at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
	at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
	at scala.PartialFunction.applyOrElse(PartialFunction.scala:123)
	at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122)
	at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)
	at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
	at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
	at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
	at akka.actor.Actor.aroundReceive(Actor.scala:517)
	at akka.actor.Actor.aroundReceive$(Actor.scala:515)
	at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)
	at akka.actor.ActorCell.invoke(ActorCell.scala:561)
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)
	at akka.dispatch.Mailbox.run(Mailbox.scala:225)
	at akka.dispatch.Mailbox.exec(Mailbox.scala:235)
	at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: org.apache.flink.streaming.runtime.tasks.StreamTaskException: Cannot load user class: com.dtstack.chunjun.connector.jdbc.source.JdbcInputFormat
ClassLoader info: URL ClassLoader:
Class not resolvable through given classloader.
	at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:331)
	at org.apache.flink.streaming.runtime.tasks.OperatorChain.<init>(OperatorChain.java:150)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:519)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:575)
	at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:758)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:573)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.ClassNotFoundException: com.dtstack.chunjun.connector.jdbc.source.JdbcInputFormat
	at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:64)
	at org.apache.flink.util.ChildFirstClassLoader.loadClassWithoutExceptionHandling(ChildFirstClassLoader.java:74)
	at org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:48)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at org.apache.flink.runtime.execution.librarycache.FlinkUserCodeClassLoaders$SafetyNetWrapperClassLoader.loadClass(FlinkUserCodeClassLoaders.java:172)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:348)
	at org.apache.flink.util.InstantiationUtil$ClassLoaderObjectInputStream.resolveClass(InstantiationUtil.java:76)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1988)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1852)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2186)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1669)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2431)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2355)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2213)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1669)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2431)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2355)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2213)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1669)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2431)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2355)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2213)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1669)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:503)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:461)
	at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:615)
	at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:600)
	at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:587)
	at org.apache.flink.util.InstantiationUtil.readObjectFromConfig(InstantiationUtil.java:541)
	at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:317)
	... 6 more

[vainhope]

flink-shaded-hadoop-2-uber-2.7 包

[whiteS18]

flink-shaded-hadoop-2-uber-2.7 包

这个我在已下载的文件里面没有搜索到，请问是需要自己去其他站点下载这个jar嘛？

[vainhope]

https://repo.maven.apache.org/maven2/org/apache/flink/flink-shaded-hadoop-2-uber/2.7.5-10.0/ 这里